Chekwa, a fourth-round draft choice out of Ohio State in 2011, wasn't tendered a contract by Oakland as a restricted free agent. Thus, he became an unrestricted free agent on Tuesday and the Patriots moved fast to sign him.

The 6-foot, 190-pound Chekwa has four career starts (32 games played overall) and has battled injuries, which might have contributed to the Raiders' decision to not even tender him an offer.

Chekwa ultimately might not even be part of the Patriots' defensive backfield in 2015, but the club seems to see some potential -- coupled with the obvious economic value -- to explore the possible fit. This likely traces back to their scouting of him coming out of Ohio State, as Chekwa ran well (4.40 time in the 40), showcased some versatility to play outside and in the slot, and was considered by scouts to be a hard worker who was coachable.

Maybe a change of scenery brings out the best in Chekwa, similar to what we saw with defensive end/outside linebacker Akeem Ayers after the Patriots acquired him in a midseason trade in 2014.

File this under the category of "don't expect much, but worth a look."